Drive or Fly: Fontana, CA to San Jose, CA?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

No scheduled commercial flights found for ONT–SJC. At 385 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

7h 17m

Distance

385.8 mi

Total Cost

$120

CO2

156 kg

Cost Breakdown

Diesel$85

Hotel (1 room, 0 nights) $0

Meals (1 pax, 1 day) $35

+ No luggage restrictions or TSA lines

+ Comfortable one-day drive

+ Stop anywhere along the route

+ Have your own car at the destination

+ Likely faster door-to-door than flying

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

3h 5m

40m in the air

Air Distance

336 mi

Total Cost

$188

CO2

86 kg

Door-to-Door Timeline

Fontana, CA → ONT 15m

Check-in & Security 90m

Flight 40m

Arrival & Baggage 30m

SJC → San Jose, CA 10m

Cost Breakdown

Ticket (1 pax @ $133) $133

Rental car (1 day)$55

Airports

Fontana, CA ONT — Ontario International Airport 10 mi, ~15m drive

San Jose, CA SJC — Norman Y. Mineta San Jose International Airport 3 mi, ~10m drive

No scheduled flights found

No commercial flights between ONT and SJC. Flight estimates above are theoretical.

+ Saves about 4h 12m compared to driving

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

At a Glance

	Drive	Fly
Door-to-door time	7h 17m	3h 5m
Total cost (1 person)	$120	$188
Carbon footprint	156 kg CO₂	86 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	Data unavailable

Drive data: OSRM routing, EIA fuel prices

Flight data: Statistical estimate

Airports: OurAirports

Confidence: Medium — airports identified, fares estimated

Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 16, 2026.

Route Options

2 different routes between these cities.

Fastest

385.8 mi 7h 16m

via I 5, I 5 Truck, CA 210

Alternative (+32 min)

404.9 mi 7h 48m

via I 5; CA 58, CA 58, US 395

Decided to drive? See the full trip plan from Fontana, CA to San Jose, CA with stops, fuel costs, and turn-by-turn directions.